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2006-present
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Hewlett-Packard — Linux Virtualization Engineer
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- Working with Linux distributions to enable virtualization technologies (Xen, KVM, VT-d) on HP's next-generation servers
- Produced the DL785 RHEL 5.4 KVM reference architecture to meet a tight market-driven schedule, demonstrating 256 guests in a NUMA-tuned configuration to achieve sub-second response time at full load
- Wrote "tiler" virtual machine manager for rapid virtualization testing
- Drove a successful cross-company effort (HP, Intel, Fujitsu, Red Hat) to port Xen/IA64 into RHEL 5 as a tech preview, with full support following in RHEL 5.1
- Presented Xen/IA64 update at Xen Summit November 2007
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2009-present
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Hewlett-Packard — OSLP Security Working Group Lead
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- Leading remote access investigation and development, including http-proxy and OpenVPN
- Representing HP Linux community in IT remote access planning
- Authored and presently maintaining access-hp remote access client (PKCS #11 smartcard, certificate-based authentication)
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2004-2006
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Hewlett-Packard — Linux Security Certification Engineer
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- Designed and implemented the audit-test harness used for CAPP and LSPP certifications
- Wrote augrok for parsing audit logs
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2001-2007
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Gentoo Linux — Lead Developer
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- Led ports to Alpha and IA64 architectures
- Designed and wrote network startup code and conf.d processing
- Maintained ebuilds for complex packages such as baselayout, mozilla, firefox, ruby and vim
- Rewrote and assumed maintainership for keychain front-end to cryptographic agents
- Wrote votify software used for Gentoo elections, based on the Condorcet method
- Exceeded 13,500 CVS commits tracked by cia.vc
- Served as one of the original trustees for the Gentoo Foundation
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1999-2004
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Compaq / Hewlett-Packard — Tru64 UNIX Network Driver Developer
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- Wrote Tigon3 Gigabit Ethernet driver with advanced interrupt mitigation algorithm
- Designed and implemented 64-bit counters with backward-compatible ioctls
- Debugged critical network driver issues for Ericsson and Motorola telco releases
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1997
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Burlington Coat Factory — Network Engineer
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- Developed LPRng-based printing system deployed in stores
- Prototyped store backend using Linux on SPARC
- Wrote code to efficiently determine host network location
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